banks of rough masonry without mortar, and intermixed with A. lanceolatum, at some distance 
from the sea, 
8. assimile (ML). This form has the acute elongated pinna of acutum, with somewhat the lobing 
of sub-bipinnatem, or else is narrow and strongly auriculate; the рішше resembling those of the 
Australian A. caudatum, or the West Indian A. auritum. It occurs in two or three forms in 
Sir W. Hooker's collection, the most strongly marked, resembling caudatum, being from Galway 
9. sub-bipinnatum (ML). The most divided form we have seen, The fronds are of moderate size, but 
the which stand more distant from the rachis than usual, are deeply pinnatifid throughout, and 
the basal anterior lobes, which are the largest, are almost separate, nearly а narrow oval in outline, 
simply or doubly serrate on the margin, It was found in a cave at Petit Bot Bay, Guernsey, by 
Mrs. Dobree, of the Forest, Guernsey 
; 0 
